Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2013

Fair Value Measurement Disclosure [Abstract]

Schedule of Financial Assets At Fair Value [Table Text Block]

Financial assets and liabilities carried at fair value as of December 31, 2013are classified in the following table:

Description		Fair Market Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Changes in Fair Values Included in Current Period Earnings
Trading securities	$	5,634	$	5,634	$	-	$	-	$	235
Short-term investments		22,922		-		22,922		-		-

Financial assets and liabilities carried at fair value as of December 31, 2012are classified in the following table:

Trading Securities		Fair Market Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Changes in Fair Values Included in Current Period Earnings
BCD common stock	$	7,092	$	7,092	$	-	$	-	$	3,679